/* AVCLabs user case page: concise, scoped, light style */
.use-case {
  --blue: #1558d6;
  --purple: #7350f2;
  --sky: #0ea5e9;
  --ink: #111827;
  --text: #374151;
  --muted: #6b7280;
  --line: #e5e7eb;
  --soft: #f7f9fc;
  --blue-soft: #eff6ff;
  --radius: 18px;
  --shadow: 0 18px 45px rgba(17, 24, 39, .08);
  color: var(--text);
}

.use-case section { padding: 88px 0; background: #fff; }
.use-case .soft { background: var(--soft); }
.use-case .blue-soft { background: var(--blue-soft); }
.use-case img, .use-case video { max-width: 100%; }
.use-case h1, .use-case h2, .use-case h3 { color: var(--ink); font-weight: 800; letter-spacing: -.025em; margin: 0; }
.use-case h1 { font-size: clamp(38px, 5vw, 56px); line-height: 1.16; margin-bottom: 24px; }
.use-case h2 { font-size: clamp(30px, 4vw, 42px); line-height: 1.18; margin-bottom: 16px; }
.use-case h3 { font-size: 22px; line-height: 1.35; margin-bottom: 12px; }
.use-case p { font-size: 18px; line-height: 1.72; margin: 0 0 16px; color: var(--text); }
.use-case ul { list-style: none; margin: 0; padding: 0; }
.use-case a { color: var(--purple); text-decoration: none; }
.use-case a:hover { color: #5f3bea; text-decoration: underline; }
.use-case table { width: 100%; border-collapse: collapse; background: #fff; font-size: 17px; }
.use-case th, .use-case td { padding: 17px 20px; text-align: left; border-bottom: 1px solid var(--line); line-height: 1.55; }
.use-case th { color: var(--ink); background: #f3f6fb; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }
.use-case td { color: var(--text); }

.use-case .section-title { max-width: 980px; margin: 0 auto 46px; text-align: center; }
.use-case .section-title span, .use-case .badge, .use-case .stats span { display: inline-flex; align-items: center; gap: 8px; color: var(--blue); font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 12px; }
.use-case .section-title p { margin-bottom: 0; }
.use-case .compact { margin-top: 58px; margin-bottom: 30px; }

.use-case .hero { padding-top: 138px; background: linear-gradient(135deg, #f1efff 0%, #f7fbff 58%, #fff 100%); overflow: hidden; }
.use-case h1 em { color: var(--blue); font-style: normal; }
.use-case .crumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; font-weight: 700; }
.use-case .crumb li + li::before { content: '›'; color: var(--muted); margin-right: 8px; }
.use-case .actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.use-case .hero-actions { margin-top: 30px; display: grid; gap: 12px; justify-items: start; }
.use-case .platform-switch { border: 0; background: none; padding: 0; color: var(--text); font-weight: 600; cursor: pointer; }
.use-case .platform-switch:hover { color: var(--purple); }
.use-case [data-platform][hidden] { display: none; }

.use-case .hero-media { position: relative; padding: 18px; border-radius: 30px; background: rgba(255,255,255,.7); box-shadow: var(--shadow); }
.use-case .hero-media::before { content: ''; position: absolute; inset: -22px; z-index: 0; border-radius: 38px; background: linear-gradient(135deg, rgba(115,80,242,.14), rgba(14,165,233,.14)); }
.use-case .hero-media .slider { z-index: 1; margin: 0; border-radius: 18px; aspect-ratio: 16 / 10; overflow: hidden; box-shadow: none; }
.use-case .hero-media .slider-img { height: 100%; object-fit: cover; }

.use-case .cards, .use-case .stats, .use-case .videos { display: grid; gap: 24px; }
.use-case .two, .use-case .videos { grid-template-columns: repeat(2, 1fr); }
.use-case .stats.stats-strip { grid-template-columns: repeat(4, 1fr); }
.use-case .card, .use-case .table-wrap { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 8px 30px rgba(17,24,39,.05); }
.use-case .card { padding: 28px; }
.use-case .stats { margin-bottom: 36px; }
.use-case .stats strong { display: block; color: var(--ink); font-size: 22px; line-height: 1.35; margin-bottom: 8px; }
.use-case .stats p { font-size: 16px; margin: 0; color: var(--muted); }

.use-case .stats-strip { gap: 0; border-radius: var(--radius); overflow: hidden; box-shadow: 0 10px 32px rgba(17, 24, 39, .08); border: 1px solid rgba(17, 24, 39, .08); background: transparent; }
.use-case .stats.stats-strip > div { padding: 30px 28px; border: 0; border-radius: 0; box-shadow: none; border-right: 1px solid rgba(255, 255, 255, .55); }
.use-case .stats.stats-strip > div:last-child { border-right: 0; }
.use-case .stats.stats-strip > .stats-strip-item--footage { background: linear-gradient(160deg, #fff7ed 0%, #ffedd5 100%); }
.use-case .stats.stats-strip > .stats-strip-item--output { background: linear-gradient(160deg, #eff6ff 0%, #dbeafe 100%); }
.use-case .stats.stats-strip > .stats-strip-item--ai { background: linear-gradient(160deg, #f5f3ff 0%, #ede9fe 100%); }
.use-case .stats.stats-strip > .stats-strip-item--local { background: linear-gradient(160deg, #ecfdf5 0%, #d1fae5 100%); }
.use-case .stats.stats-strip .stats-strip-icon { display: grid; place-items: center; width: 64px; height: 64px; margin-bottom: 16px; border-radius: 16px; font-size: 28px; background: rgba(255, 255, 255, .62); letter-spacing: 0; text-transform: none; font-weight: 400; }
.use-case .stats.stats-strip .stats-strip-label { display: block; font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 12px; }
.use-case .stats-strip-item--footage .stats-strip-icon { color: #c2410c; }
.use-case .stats-strip-item--footage .stats-strip-label { color: #c2410c; }
.use-case .stats-strip-item--output .stats-strip-icon { color: #1d4ed8; }
.use-case .stats-strip-item--output .stats-strip-label { color: #1d4ed8; }
.use-case .stats-strip-item--ai .stats-strip-icon { color: #6d28d9; }
.use-case .stats-strip-item--ai .stats-strip-label { color: #6d28d9; }
.use-case .stats-strip-item--local .stats-strip-icon { color: #15803d; }
.use-case .stats-strip-item--local .stats-strip-label { color: #15803d; }
.use-case .stats-strip strong { color: #111827; }
.use-case .stats-strip p { color: #4b5563; }
.use-case .stats-strip-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; font-size: 14px; font-weight: 700; color: #c2410c; text-decoration: none; }
.use-case .stats-strip-link:hover { text-decoration: underline; }
.use-case dl { margin: 0; }
.use-case dl div { display: grid; grid-template-columns: 140px 1fr; gap: 22px; padding: 14px 0; border-top: 1px solid var(--line); }
.use-case dl div:first-child { border-top: 0; }
.use-case dt { color: #000; font-weight: 800; font-size: 18px;}
.use-case dd { margin: 0; line-height: 1.6; font-size:18px;}

.use-case .steps { display: grid; gap: 22px; max-width: 1120px; margin: 0 auto; }
.use-case .step { display: grid; grid-template-columns: 64px 1fr; gap: 22px; padding: 30px; background: #fff; border: 1px solid #dfe7f1; border-radius: var(--radius); box-shadow: 0 10px 32px rgba(21,88,214,.06); }
.use-case .step > span { width: 64px; height: 64px; display: grid; place-items: center; color: var(--blue); background: var(--blue-soft); border: 1px solid #cfe0ff; border-radius: 16px; font-size: 18px; font-weight: 900; letter-spacing: -.02em; }
.use-case .step aside { margin: 18px 0 24px; padding: 14px 18px; background: #ecfdf5; border-left: 4px solid #22c55e; border-radius: 10px; color: #475569; line-height: 1.65; }
.use-case .step aside b { display: block; color: #15803d; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 6px; }
.use-case .step img { display: block; width: 100%; border-radius: 14px; border: 1px solid var(--line); }

.use-case .video-box { position: relative; overflow: hidden; border-radius: 14px; background: #0f172a; aspect-ratio: 16 / 9; margin-bottom: 20px; }
.use-case .video-box small { position: absolute; top: 12px; left: 12px; z-index: 1; padding: 6px 12px; color: #fff; background: rgba(0,0,0,.7); border-radius: 999px; font-weight: 700; }
.use-case .video-box video { display: block; width: 100%; height: 100%; object-fit: cover; }

.use-case .playback-notes-wrap {
  width: 100%;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.use-case .playback-notes-title { margin: 0 0 20px; font-size: clamp(22px, 2.8vw, 28px); line-height: 1.3; text-align: left; color: var(--ink); letter-spacing: -.02em; }
.use-case .playback-compare-wrap { border-radius: var(--radius); box-shadow: 0 8px 30px rgba(17, 24, 39, .06); overflow: hidden; }
.use-case .playback-compare { font-size: 18px; margin-bottom: 0; }
.use-case .playback-compare tbody tr:last-child td { border-bottom: 0; }
.use-case .playback-compare th { font-size: 12px; letter-spacing: .08em; vertical-align: bottom; }
.use-case .playback-compare th:first-child { width: 22%; min-width: 140px; }
.use-case .playback-compare th:nth-child(2) { color: #991b1b; background: #fef2f2; }
.use-case .playback-compare th:nth-child(3) { color: #1d4ed8; background: #eff6ff; }
.use-case .playback-compare td { vertical-align: top; line-height: 1.65; }
.use-case .playback-compare td:first-child { color: var(--ink); font-weight: 700; background: #f9fafb; }
.use-case .playback-compare td:first-child strong { font-weight: 800; }
.use-case .playback-compare td:nth-child(2) { color: #4b5563; background: #fffbfb; }
.use-case .playback-compare td:nth-child(3) { color: #374151; background: #f8fbff; }
.use-case .playback-compare-verdict td:first-child { background: #f3f4f6; }
.use-case .playback-compare-verdict td:nth-child(2),
.use-case .playback-compare-verdict td:nth-child(3) { font-weight: 600; }

.use-case .youtube-note { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px 32px; margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line); }
.use-case .youtube-note p { margin: 0; flex: 1 1 480px; min-width: 0; font-size: 16px; line-height: 1.65; }
.use-case .youtube-note .btn { flex: 0 0 auto; white-space: nowrap; }

.use-case .slider { position: relative; margin-bottom: 40px; overflow: hidden; border-radius: 22px; cursor: col-resize; user-select: none; box-shadow: var(--shadow); }
.use-case .slider-img { display: block; width: 100%; height: auto; }
.use-case .slider-after { position: absolute; inset: 0; overflow: hidden; }
.use-case .slider-img-after { position: absolute; top: 0; left: 0; width: auto; height: 100%; max-width: none; }
.use-case .slider-divider { position: absolute; top: 0; bottom: 0; width: 2px; z-index: 4; background: var(--blue); box-shadow: 0 0 12px rgba(21,88,214,.65); }
.use-case .slider-handle { position: absolute; top: 50%; transform: translate(-50%, -50%); width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; background: var(--blue); border: 3px solid #fff; }
.use-case .tag { position: absolute; bottom: 14px; z-index: 5; margin: 0; padding: 6px 12px; border-radius: 999px; color: #fff; font-size: 13px; background: rgba(0,0,0,.62); }
.use-case .tag.left { left: 14px; }
.use-case .tag.right { right: 14px; background: rgba(21,88,214,.82); }

.use-case .table-wrap { overflow: auto; }
.use-case .honest { margin-top: 32px; border-left: 5px solid #f59e0b; }
.use-case .badge { padding: 6px 12px; border-radius: 999px; background: var(--blue-soft); }

.use-case .faqs { display: grid; gap: 14px; margin: 0 auto; }
.use-case .faq-item { padding: 0; overflow: hidden; }
.use-case .faq-item h3 { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 22px 26px; margin: 0; line-height: 1.35; cursor: pointer; }
.use-case .faq-icon { --fa-display: grid; display: grid; place-items: center; flex: 0 0 30px; width: 30px; height: 30px; font-size: 12px; line-height: 0; color: var(--blue); background: var(--blue-soft); border-radius: 50%; transition: transform .2s, color .2s, background .2s; box-sizing: border-box; }
.use-case .faq-icon::before { line-height: 1; }
.use-case .faq-icon.is-open { color: #fff; background: var(--blue); transform: rotate(45deg); }
.use-case .faq-body { max-height: 0; overflow: hidden; padding: 0 26px; }
.use-case .faq-body.is-open { max-height: 440px; }
.use-case .faq-body p { padding: 18px 0 24px; margin: 0; border-top: 1px solid var(--line); }

.use-case .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 24px; border-radius: 10px; font-weight: 800; text-decoration: none; border: 1px solid transparent; line-height: 1.2; }
.use-case .btn:hover { text-decoration: none; }
.use-case .btn.primary { color: #fff; background: linear-gradient(90deg, var(--purple), var(--blue)); box-shadow: 0 10px 28px rgba(21,88,214,.25); }
.use-case .btn.light { color: var(--ink); background: #fff; border-color: var(--line); }
.use-case .btn.youtube { color: #fff; background: #ff0000; }
.use-case .btn.white { color: var(--blue); background: #fff; }
.use-case .btn.ghost { color: #fff; border-color: rgba(255,255,255,.42); background: rgba(255,255,255,.14); }

.use-case .related-case-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; text-decoration: none; color: inherit; border-radius: 0; }
.use-case .related-case-card:hover { text-decoration: none; color: inherit; border-color: #cfd6e0; }
.use-case .related-case-card img { display: block; width: 100%; height: auto; object-fit: cover; border-bottom: 1px solid var(--line); }
.use-case .related-case-body { display: flex; flex-direction: column; flex: 1; padding: 22px 24px 24px; }
.use-case .related-case-card h3 { margin: 0 0 10px; font-size: 19px; line-height: 1.35; color: var(--ink); transition: color .2s ease; }
.use-case .related-case-card:hover h3 { color: var(--purple); }
.use-case .related-case-body p { margin: 0; line-height: 1.65; color: var(--muted); flex: 1; }
.use-case .related-case-more { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; font-weight: 800; color: var(--blue); }
.use-case .related-cases-all { margin: 32px 0 0; text-align: center; font-size: 20px; font-weight: 800; }

.use-case .bg-cta { color: #fff; text-align: center; background: linear-gradient(135deg, #4f46e5 0%, #1558d6 55%, #0ea5e9 100%); }
.use-case .bg-cta h2, .use-case .bg-cta p { color: #fff; }
.use-case .bg-cta .badge.white { color: #fff; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.24); }
.use-case .bg-cta .actions { justify-content: center; margin: 28px 0 22px; }
.use-case .bg-cta p:last-child { font-size: 15px; opacity: .9; margin-bottom: 0; }

.use-case > .floating-cta { padding: 0; background: transparent; }
.use-case .floating-cta { position: fixed; left: 50%; bottom: 24px; z-index: 900; width: calc(100% - 40px); max-width: 720px; opacity: 0; pointer-events: none; transform: translateX(-50%) translateY(16px); transition: .25s ease; }
.use-case .floating-cta.is-visible { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.use-case .floating-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 16px 22px; background: #fff; border: 1px solid rgba(17,24,39,.08); border-radius: 999px; box-shadow: var(--shadow); }
.use-case .floating-inner strong { display: block; color: var(--ink); font-size: 18px; }

@media (max-width: 991px) {
  .use-case .hero { padding-top: 118px; }
  .use-case .hero-media { margin-top: 42px; }
  .use-case .stats.stats-strip { grid-template-columns: repeat(2, 1fr); }
  .use-case .stats.stats-strip > div:nth-child(2) { border-right: 0; }
  .use-case .stats.stats-strip > div:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, .55); }
}
@media (max-width: 768px) {
  .use-case section { padding: 66px 0; }
  .use-case .two, .use-case .videos { grid-template-columns: 1fr; }
  .use-case .step { grid-template-columns: 1fr; padding: 24px; }
  .use-case dl div { grid-template-columns: 1fr; gap: 4px; }
  .use-case .youtube-note { align-items: flex-start; flex-direction: column; justify-content: flex-start; gap: 14px; }
  .use-case .youtube-note p { flex: 0 0 auto; }
  .use-case .playback-notes-wrap { margin-top: 32px; padding-top: 28px; }
  .use-case .playback-compare { font-size: 15px; }
  .use-case .playback-compare th:first-child { min-width: 120px; }
}
@media (max-width: 560px) {
  .use-case h1 { font-size: 34px; }
  .use-case .stats.stats-strip { grid-template-columns: 1fr; }
  .use-case .stats.stats-strip > div { border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, .55); }
  .use-case .stats.stats-strip > div:last-child { border-bottom: 0; }
  .use-case .card { padding: 22px; }
  .use-case th, .use-case td { padding: 14px; font-size: 15px; }
  .use-case .floating-inner { align-items: stretch; flex-direction: column; border-radius: 22px; text-align: center; }
}